diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog for the [`clash-vhdl`](http://hackage.haskell.org/package/clash-vhdl) package
 
+## 0.6.9 *March 15th 2016*
+* Fixes bugs:
+  * XST cannot finds "_types" package unless it is prefixed with "work." [#133](https://github.com/clash-lang/clash-compiler/pull/133)
+
 ## 0.6.8 *March 11th 2016*
 * Support `clash-lib` 0.6.11
 * Fixes bugs:
diff --git a/clash-vhdl.cabal b/clash-vhdl.cabal
--- a/clash-vhdl.cabal
+++ b/clash-vhdl.cabal
@@ -1,5 +1,5 @@
 Name:                 clash-vhdl
-Version:              0.6.8
+Version:              0.6.9
 Synopsis:             CAES Language for Synchronous Hardware - VHDL backend
 Description:
   CλaSH (pronounced ‘clash’) is a functional hardware description language that
@@ -98,7 +98,7 @@
                       ViewPatterns
 
   Build-depends:      base                    >= 4.6.0.1 && < 5,
-                      clash-lib               >= 0.6.11,
+                      clash-lib               >= 0.6.13,
                       clash-prelude           >= 0.10.1,
                       fgl                     >= 5.4.2.4,
                       lens                    >= 3.9.2,
diff --git a/src/CLaSH/Backend/VHDL.hs b/src/CLaSH/Backend/VHDL.hs
--- a/src/CLaSH/Backend/VHDL.hs
+++ b/src/CLaSH/Backend/VHDL.hs
@@ -363,7 +363,7 @@
     , "use IEEE.MATH_REAL.ALL"
     , "use std.textio.all"
     , "use work.all"
-    , "use" <+> text (mkId (T.pack nm `T.append` "_types")) <> ".all"
+    , "use work." <+> text (mkId (T.pack nm `T.append` "_types")) <> ".all"
     ]